1488271940 has 12 divisors (see below), whose sum is σ = 3125371116. Its totient is φ = 595308768.

The previous prime is 1488271933. The next prime is 1488271949. The reversal of 1488271940 is 491728841.

It can be written as a sum of positive squares in 2 ways, for example, as 464143936 + 1024128004 = 21544^2 + 32002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1488271891 and 1488271900.

It is not an unprimeable number, because it can be changed into a prime (1488271949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37206779 + ... + 37206818.

It is an arithmetic number, because the mean of its divisors is an integer number (260447593).

Almost surely, 2^1488271940 is an apocalyptic number.

1488271940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1488271940 is an abundant number, since it is smaller than the sum of its proper divisors (1637099176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1488271940 is a wasteful number, since it uses less digits than its factorization.

1488271940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74413606 (or 74413604 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 1488271940 is about 38578.1277409882. The cubic root of 1488271940 is about 1141.7230382120.

The spelling of 1488271940 in words is "one billion, four hundred eighty-eight million, two hundred seventy-one thousand, nine hundred forty".